15x^2-2x-7/5x-4

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Solution for 15x^2-2x-7/5x-4 equation: 


x in (-oo:+oo)

15*x^2-(2*x)-((7/5)*x)-4 = 0

15*x^2-2*x+(-7/5)*x-4 = 0

15*x^2-17/5*x-4 = 0

DELTA = (-17/5)^2-(-4*4*15)

DELTA = 6289/25

DELTA > 0

x = ((6289/25)^(1/2)+17/5)/(2*15) or x = (17/5-(6289/25)^(1/2))/(2*15)

x = ((6289/25)^(1/2)+17/5)/30 or x = (17/5-(6289/25)^(1/2))/30

x in { (17/5-(6289/25)^(1/2))/30, ((6289/25)^(1/2)+17/5)/30 }

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